idnr: 275

4
			2
3
			1

Difficulty: Super easy (0)

idnr: 169

	4
1
			3
		2

Difficulty: Super easy (0)

idnr: 10

	2
1
			1
		3

Difficulty: Very easy (0)

idnr: 564

1	2


		3	4

Difficulty: Super easy (0)